HARRISBURG, Pa. (AP) — Auditor General Jack Wagner said Monday that the school board in Mt. Lebanon owes residents an explanation of its half million dollar buyout of the contract of its former superintendent. The school board has never discussed why Margery Sable left sixteen months after signing a five-year contract with the district. Sable resigned Nov. 8, angering residents who questioned why she will still collect $420,000 salary over the next three years, another $5,000 in legal fees, and receive health insurance coverage until she turns 65. "This contract buyout is especially troubling because the reasons for it have...